Area outtage affecting LTE ?

Today the land lines in our area and 2 neighboring towns have somehow gone down. So while this obviously means that there's no ADSL or telephone lines it is somehow affecting my LTE as well.

I came home from work and noticed that my Huawei router was displaying a red LED with no signal bars. So I logged in using the E5186 Toolbox and changed from 2300MHz to 1800Mhz.

That seems to work and I have internet connectivity, but it's painfully slow. Switching back to 2300Mhz takes me back to a no signal situation.

Could the area wide line outage be affecting my 2300Mhz connection somehow?

Any advice would be appreciated.

Thanks.